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[SCSI] qla2xxx: add asynchronous scsi scanning support. 

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Andrew Vasquez 2006-11-22 08:24:48 -08:00 committed by James Bottomley
parent d19044c32b
commit 1e99e33ad9
1 changed files with 29 additions and 4 deletions
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33
drivers/scsi/qla2xxx/qla_os.c
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@ -95,6 +95,8 @@ MODULE_PARM_DESC(ql2xqfullrampup,
*/
static int qla2xxx_slave_configure(struct scsi_device * device);
static int qla2xxx_slave_alloc(struct scsi_device *);
static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
static void qla2xxx_scan_start(struct Scsi_Host *);
static void qla2xxx_slave_destroy(struct scsi_device *);
static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
void (*fn)(struct scsi_cmnd *));
@ -124,6 +126,8 @@ static struct scsi_host_template qla2x00_driver_template = {
.slave_alloc = qla2xxx_slave_alloc,
.slave_destroy = qla2xxx_slave_destroy,
.scan_finished = qla2xxx_scan_finished,
.scan_start = qla2xxx_scan_start,
.change_queue_depth = qla2x00_change_queue_depth,
.change_queue_type = qla2x00_change_queue_type,
.this_id = -1,
@ -1366,6 +1370,29 @@ qla24xx_disable_intrs(scsi_qla_host_t *ha)
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
static void
qla2xxx_scan_start(struct Scsi_Host *shost)
{
scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata;
set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
set_bit(RSCN_UPDATE, &ha->dpc_flags);
}
static int
qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata;
if (!ha->host)
return 1;
if (time > ha->loop_reset_delay * HZ)
return 1;
return atomic_read(&ha->loop_state) == LOOP_READY;
}
/*
* PCI driver interface
*/
@ -1631,10 +1658,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
pci_set_drvdata(pdev, ha);
/* Start link scan. */
set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
set_bit(RSCN_UPDATE, &ha->dpc_flags);
ha->flags.init_done = 1;
ha->flags.online = 1;
@ -1644,6 +1667,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
if (ret)
goto probe_failed;
scsi_scan_host(host);
qla2x00_alloc_sysfs_attr(ha);
qla2x00_init_host_attr(ha);